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add image number as text overlay

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This commit is contained in:
Björn Busse 2016-12-23 02:35:56 +01:00
parent d718987f48
commit d3c2cb7e45
1 changed files with 38 additions and 4 deletions
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xkcdlock
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@ -116,7 +116,24 @@ xkcd_get_latest_image() {
}
xkcd_get_img_name() {
echo $(echo "$img_url_hotlink" | awk 'BEGIN{FS="/";} {print $5}')
local fn=$(echo "$img_url_hotlink" | awk 'BEGIN{FS="/";} {print $5}')
IFS='.' read -r -a array <<< "${fn}"
fn="${array[0]}"_"${i}"."${array[-1]}"
echo "$fn"
}
xkcd_get_img_name_from_file() {
IFS='/' read -r -a array <<< "$img_fn"
IFS='.' read -r -a array <<< "${array[-1]}"
IFS='_' read -r -a array <<< "${array[0]}"
local fn=${array[-1]}
echo "$fn"
}
xkcd_get_img_nr() {
IFS='.' read -r -a array <<< "$img_name"
IFS='_' read -r -a array <<< "${array[0]}"
echo "${array[-1]}"
}
xkcd_get_all_images() {
@ -136,7 +153,7 @@ xkcd_get_all_images() {
for ((i=1; i<=$nimg_latest; i++)); do
local img_url_hotlink=$(xkcd_get_hotlink_url $i)
local img_name=$(xkcd_get_img_name $img_url_hotlink)
local img_name=$(xkcd_get_img_name $img_url_hotlink $i)
if [[ -e "$img_name" ]]; then
log "$img_name exists. Skipping download"
@ -144,7 +161,7 @@ xkcd_get_all_images() {
fi
log "Downloading ${i} ${img_url_hotlink} (${img_name})"
$(curl -sO $img_url_hotlink)
$(curl -s $img_url_hotlink -o $img_name)
if (( 0 != "$?" )); then
error "Failed to download ${i}"
fi
@ -188,6 +205,20 @@ get_random_image() {
echo "$img_fn"
}
image_add_text() {
local tmp_file=$(mktemp)
log "Adding number ${img_nr} to $tmp_file_c and saving image to $tmp_file"
$(convert $1 -font xkcd-Regular -gravity Northeast -pointsize 50 -fill green -annotate +50+50 $img_nr $tmp_file)
if ! [[ -e "$tmp_file" ]]; then
error "Could not find image with text overlay"
exit 1
fi
echo "$tmp_file"
}
resize_image() {
local tmp_file=$(mktemp)
@ -218,11 +249,14 @@ center_image() {
prepare_image() {
local res=$(screen_get_highest_resolution)
local img_name=$(xkcd_get_img_name_from_file $img_fn)
local img_nr=$(xkcd_get_img_nr $img_name)
local tmp_file_r=$(resize_image $img_fn $res)
local tmp_file_c=$(center_image $tmp_file_r $res)
local tmp_file_t=$(image_add_text $tmp_file_c $img_nr)
echo "$tmp_file_c"
echo "$tmp_file_t"
}
screen_lock() {